package Basic;

public class shiftafter {
    public static void main(String[] args){
		int number=1;
		System.out.printf("2的0次方：%d%n",number);
		System.out.printf("2的1次方：%d%n",number<<1);
		System.out.printf("2的2次方：%d%n",number<<2);
		System.out.printf("2的3次方：%d%n",number<<3);
	}
}
